Fuel injector nozzle for an internal combustion engine

Patent · Tue Nov 06 00:00:00 EST 2007

OSTI ID:919858

Cavanagh, Mark S ^[1]; Lawrence, Keith E ^[2]

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1. Bloomington, IL
2. Peoria, IL

A direct injection fuel injector includes a nozzle tip having a plurality of passages allowing fluid communication between an inner nozzle tip surface portion and an outer nozzle tip surface portion and directly into a combustion chamber of an internal combustion engine. A first group of the passages have inner surface apertures located substantially in a first common plane. A second group of the passages have inner surface apertures located substantially in at least a second common plane substantially parallel to the first common plane. The second group has more passages than the first group.

• Research Organization: Caterpillar Inc., Deerfield, IL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC05-00OR22806; FC05-97OR22605
• Assignee: Caterpillar Inc (Peoria, IL)
• Patent Number(s): 7,290,520
• Application Number: 11/353,998
• OSTI ID: 919858
• Country of Publication: United States
• Language: English